Ceph - Upgrade feature levels Paid Members Public
Upgrading distributed systems implies running everything so it's compatible. Ceph is using feature maps to ensure compatibility. This article shows how to ugprade the feature level of a ceph cluster.
Zabbix 5.2 - Why it's worth upgrading Paid Members Public
Zabbix 5.2 has been released a few weeks ago and brought several improvements that increase management capabilities and support more granular control. A new set of triggers provide a whole new spectrum of alerting in assocation with host specific trends!
Scripting: FTP Upload behind a firewall Paid Members Public
WinSCP - a small tool to connect to a ftp server in passive mode.
Linux - i/o monitor and test tools Paid Members Public
This post shows a few tools that are useful to check for i/o issues on linux systems by watching current i/o or testing the subsystem explicitly.
openvpn 2.5 - using wintun Paid Members Public
Starting with release 2.5 openvpn added support for wintun interfaces. To enable utilization of wintun interfaces, you need to make some adjustments.
